Coronavirus: low antibody levels raise questions about reinfection risk
Submitted by Kathy Gilbeaux on
Researchers in Shanghai found low levels of coronavirus antibodies in some people who had recently recovered from Covid-19. Photo: DPA
Scientists in Shanghai say some recovered patients show no signs of the neutralising proteins
Early-stage findings could have implications for vaccine development and herd immunity, they say
scmp.com - by Stephen Chen - April 7, 2020
Researchers in Shanghai hope to determine whether some recovered coronavirus patients have a higher risk of reinfection after finding surprisingly low levels of Covid-19 antibodies in a number of people discharged from hospital.
A team from Fudan University analysed blood samples from 175 patients discharged from the Shanghai Public Health Clinical Centre and found that nearly a third had unexpectedly low levels of antibodies.
In some cases, antibodies could not be detected at all.
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